/* 设置整个网页的宽度无边距，高度随内容自适应*/
body,
html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Helvetica Neue, Helvetica, PingFang SC, Hiragino Sans GB, Microsoft YaHei, SimSun, sans-serif;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
}